<template>
  <div>
    <el-breadcrumb separator="/">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>权限管理</el-breadcrumb-item>
      <el-breadcrumb-item>角色列表</el-breadcrumb-item>
    </el-breadcrumb>
    <el-card>
      <el-row>
        <el-col>
          <el-button type="primary" @click="addRoleDialogVisible = true"
            >添加用户角色</el-button
          >
        </el-col>
      </el-row>
      <el-table :data="rolesList" border stripe>
        <el-table-column type="expand">
          <template slot-scope="scope">
            <el-row :class="['bdbottom', i1==0 ? 'bdtop' :'', 'vcenter']" v-for="(item1, i1) in scope.row.children" :key="item1.id">
              <el-col :span="5">
                <el-tag  closable @close="removeRightById(scope.row,item1.id)">{{item1.authName}}</el-tag>
                <i class="el-icon-caret-right"> </i>
              </el-col>
              <el-col :span="19">
                <el-row :class="['bdtop', i2==0 ? '' :'bdtop', 'vcenter']" v-for="(item2, i2) in item1.children" :key="item2.id">
                  <el-col :span="6">
                <el-tag type="success"  closable @close="removeRightById(scope.row,item2.id)">{{item2.authName}}</el-tag>
                <i class="el-icon-caret-right"> </i>
                  </el-col>
                  <el-col :span="18">
                    <!-- eslint-disable-next-line  -->
                    <el-tag type="warning" v-for="(item3, i3) in item2.children" :key="item3.id " closable @close="removeRightById(scope.row,item3.id)">{{item3.authName}}</el-tag>

                  </el-col>
                </el-row>
              </el-col>
            </el-row>
            <!-- <pre>
            {{scope.row}}
            </pre> -->

          </template>
        </el-table-column>
        <el-table-column type="index" label="#"></el-table-column>
        <el-table-column label="角色名称" prop="roleName"></el-table-column>
        <el-table-column label="角色描述" prop="roleDesc"> </el-table-column>
        <el-table-column label="操作" width="300px">
          <template slot-scope="scope">
            <el-button
              size="mini"
              type="primary"
              icon="el-icon-edit"
              @click="showEditRoleDialog(scope.row.id)"
              >编辑</el-button
            >
            <el-button size="mini" type="danger" icon="el-icon-delete"
            @click="removeRoleById(scope.row.id)"
              >删除</el-button
            >
            <el-button size="mini" type="warning" icon="el-icon-setting"
              @click="showSetRightDialog(scope.row)">分配权限</el-button
            >
          </template>
        </el-table-column>
      </el-table>
    </el-card>
    <el-dialog
      title="添加用户角色"
      :visible.sync="addRoleDialogVisible"
      width="50%"
      @close="addRoleDialogClosed"
    >
      <el-form
        :model="addRoleForm"
        :rules="addRoleFormRules"
        ref="addRoleFormRef"
        label-width="80px"
      >
        <el-form-item label="角色名称" prop="roleName">
          <el-input v-model="addRoleForm.roleName"></el-input>
        </el-form-item>
        <el-form-item label="角色描述" prop="roleDesc">
          <el-input
            v-model="addRoleForm.roleDesc"
            type="textarea"
            :rows="3"
            resize="none"
          ></el-input>
        </el-form-item>
      </el-form>
      <span slot="footer" class="dialog-footer">
        <el-button @click="addRoleDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="addRole">确 定</el-button>
      </span>
    </el-dialog>
    <el-dialog
      title="修改用户角色"
      :visible.sync="editRoleDialogVisible"
      width="50%"
      @close="editRoleDialogClosed"
    >
      <el-form
        :model="editRoleForm"
        :rules="editRoleFormRules"
        ref="editRoleFormRef"
        label-width="80px"
      >
        <el-form-item label="角色名称" >
          <el-input v-model="editRoleForm.roleName"></el-input>
        </el-form-item>
        <el-form-item label="角色描述" prop="roleDesc">
          <el-input
            v-model="editRoleForm.roleDesc"
            type="textarea"
            :rows="3"
            resize="none"
          ></el-input>
        </el-form-item>
      </el-form>
      <span slot="footer" class="dialog-footer">
        <el-button @click="editRoleDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="editRoleInfo">确 定</el-button>
      </span>
    </el-dialog>
    <el-dialog
  title="分配用户权限"
  :visible.sync="showSetRightVisible"
  width="50%" @close="setRightDialogClosed">
  <el-tree
  :data="rightList"
  show-checkbox
  node-key="id"
  default-expand-all
  :default-checked-keys="defKeys"
  :props="treeProps"
  ref="treeRef">
</el-tree>
  <span slot="footer" class="dialog-footer">
    <el-button @click="showSetRightVisible = false">取 消</el-button>
    <el-button type="primary" @click="allotRights">确 定</el-button>
  </span>
</el-dialog>

  </div>
</template>
<script>
export default {
  data () {
    return {
      rolesList: [],
      addRoleDialogVisible: false,
      addRoleForm: {
        roleName: '',
        roleDesc: ''
      },
      addRoleFormRules: {
        roleName: [
          { required: true, message: '请输入角色名称', trigger: 'blur' },
          { min: 3, max: 5, message: '长度在 3 到 5个字符', trigger: 'blur' }
        ],
        roleDesc: [
          { required: false, message: '请输入角色描述', trigger: 'blur' },
          { min: 0, max: 60, message: '长度在 0 到 60个字符', trigger: 'blur' }
        ]
      },
      editRoleDialogVisible: false,
      editRoleForm: {
      },
      editRoleFormRules: {
        roleDesc: [
          { required: false, message: '请输入角色描述', trigger: 'blur' },
          { min: 0, max: 60, message: '长度在 0 到 60个字符', trigger: 'blur' }
        ]
      },
      showSetRightVisible: false,
      rightList: [],
      treeProps: {
        label: 'authName',
        children: 'children'
      },
      defKeys: [],
      roleId: ''
    }
  },
  created () {
    this.getRolesList()
  },
  methods: {
    async getRolesList () {
      const { data: res } = await this.$http.get('roles')
      if (res.meta.status !== 200) {
        return this.$message.error('获取用户权限失败')
      }
      this.rolesList = res.data
      console.log(this.rolesList)
    },
    addRoleDialogClosed () {
      this.$refs.addRoleFormRef.resetFields()
    },
    addRole () {
      this.$refs.addRoleFormRef.validate(async (valid) => {
        if (!valid) {
          return
        }
        const { data: res } = await this.$http.post('roles', this.addRoleForm)
        if (res.meta.status !== 201) {
          this.$message.error('添加角色失败')
        }
        this.$message.success('添加用户成功')
        this.addRoleDialogVisible = false
        this.getRolesList()
      })
    },
    async showEditRoleDialog (id) {
      const { data: res } = await this.$http.get('roles/' + id)
      if (res.meta.status !== 200) {
        return this.$message.error('查询用户失败')
      }
      this.editRoleForm = res.data
      this.editRoleDialogVisible = true
    },
    editRoleDialogClosed () {
      this.$refs.editRoleFormRef.resetFields()
    },
    editRoleInfo () {
      this.$refs.editRoleFormRef.validate(
        async valid => {
          if (!valid) return 0
          const { data: res } = await this.$http.put('roles/' + this.editRoleForm.roleId, {
            roleName: this.editRoleForm.roleName,
            roleDesc: this.editRoleForm.roleDesc
          })
          if (res.meta.status !== 200) {
            return this.$message.error('更新角色信息失败')
          }
          this.editRoleDialogVisible = false
          this.getRolesList()
          this.$message.success('更新用户角色信息成功')
        }
      )
    },
    async removeRoleById (id) {
      const confirmResult = await this.$confirm('此操作将永久删除该用户, 是否继续?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).catch(err => err)
      if (confirmResult !== 'confirm') {
        return this.$message.info('已取消删除')
      }
      const { data: res } = await this.$http.delete('roles/' + id)
      if (res.meta.status !== 200) {
        return this.$message.error('删除用户失败')
      }
      this.$message.success('删除用户成功')
      this.getRolesList()
    },
    async removeRightById (role, rightId) {
      const confirmResult = await this.$confirm('此操作将永久删除该用户, 是否继续?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).catch(err => err)
      if (confirmResult !== 'confirm') {
        return this.$message.info('已取消删除')
      }
      const { data: res } = await this.$http.delete(`roles/${role.id}/rights/${rightId}`)
      if (res.meta.status !== 200) {
        return this.$message.error('删除权限失败')
      }
      role.children = res.data
    },
    async showSetRightDialog (role) {
      this.roleId = role.id
      const { data: res } = await this.$http.get('rights/tree')
      console.log(res.meta.status)
      if (res.meta.status !== 200) {
        return this.$message.error('获取权限数据失败')
      }
      console.log(res.data)
      this.rightList = res.data
      this.getLeafKeys(role, this.defKeys)
      this.showSetRightVisible = true
    },
    getLeafKeys (node, arr) {
      if (!node.children) {
        return arr.push(node.id)
      }
      node.children.forEach(item =>
        this.getLeafKeys(item, arr))
    },
    setRightDialogClosed () {
      this.defKeys = []
    },
    async allotRights () {
      const keys = [
        ...this.$refs.treeRef.getCheckedKeys(),
        ...this.$refs.treeRef.getHalfCheckedKeys()
      ]
      const idStr = keys.join(',')
      const { data: res } = await this.$http.post(`roles/${this.roleId}/rights`, { rids: idStr })
      if (res.meta.status !== 200) {
        return this.$message.error('分配权限失败')
      }
      this.$message.success('分配权限成功')
      this.getRolesList()
      this.showSetRightVisible = false
    }
  }
}
</script>
<style lang="less" scoped>
.el-card {
  box-shadow: 0 1px 1px rgba(0, 0, 0, 0.15);
}
.el-table {
  margin-top: 15px;
  font-size: 12px;
}
.el-tag{
  margin: 7px;
}
.bdtop{
  border-top:1px solid #eee;
}
.bdbottom{
  border-bottom: 1px solid #eee;
}
.vcenter{
  display: flex;
  text-align: center;
  align-items: center;
}
</style>
